I just did. Didn't take long. Especially since both Robb and Sebastian have come up with great starts to the letters you can write. Roberta has more advice.
Writing and calling is a very important first step. Sure there's more you can do, but this is quick and easy to do. And it helps contribute to the pressure these folks should be feeling.
Here's what I've done so far.
Future Sen: IN-2 Joe Donnelly I could not find an email contact but he has a phone number: 202.225.3915.
IN-4 Todd Rokita
IN-5 Dan Burton
IN-7 Andre Carson
You can find webpages of your congressmen and senators here.
Contact even if your representative is an anti. And contact adjacent reps if you can.
Because Obama and the rest of the Gun Grabbers are moving.